Extruded, tiered high fin density heat sinks and method of manuf

Details Extruded, tiered high fin density heat sinks and method of manuf Extruded, tiered high fin density heat sinks and method of manuf

1999-08-02

2000-04-18

Atkinson, Christopher

Heat exchange

Heat transmitter

165 803, 174 163, 361703, 257722, F28F 700

Patent

active

060503327

ABSTRACT:
An extruded, tiered high fin density heat sink (10) uses extruded first base, second base and bridging elements (12, 16, 14) having an arrangement of closely spaced, parallel fins (20, 26, 32, 38) and recesses (22, 28, 34, 40) for receiving opposing fins in the elements. The fins (20, 38) in the first and second base elements (12, 16) are bonded to recesses (28, 34) in opposite common faces (24, 30) of bridging elements (14) while fins (26, 32) extending from both opposing faces (24, 30) of bridging element (14) are bonded in aligned recesses (22, 40) in the first and second base element (12, 16) forming an extruded, tiered, high fin density heat sink (10).

REFERENCES:
patent: 5787976 (1998-08-01), Hamburgen et al.
patent: 5912802 (1999-06-01), Nelson
patent: 5988266 (1999-11-01), Smith et al.
patent: 5992511 (1999-11-01), Kodaira et al.

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